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-rw-r--r--lib/CodeGen/PreAllocSplitting.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp
index dc4a42ae37..4061859f74 100644
--- a/lib/CodeGen/PreAllocSplitting.cpp
+++ b/lib/CodeGen/PreAllocSplitting.cpp
@@ -486,6 +486,7 @@ VNInfo* PreAllocSplitting::PerformPHIConstruction(
if (MBB->pred_size() == 1 && !ret->hasPHIKill) {
LI->MergeValueNumberInto(ret, IncomingVNs.begin()->second);
+ Phis[MBB] = ret = IncomingVNs.begin()->second;
} else {
// Otherwise, merge the incoming VNInfos with a phi join. Create a new
// VNInfo to represent the joined value.